jimlinntu

#!/bin/bash

interface=ipsec_bridge
target_ip="192.168.2.100"
cidr_ip=$(ip addr show "$interface" | grep 'inet ' | awk '{print $2}')
network=$(ipcalc "$cidr_ip"  | grep "Network:" | awk '{print $2}')

function add_masquerade {
    iptables -t nat -C POSTROUTING -s "$network" -j SNAT --to "$target_ip" || {
        iptables -t nat -I POSTROUTING 1 -s "$network" -j SNAT --to "$target_ip"

jimlinntu

#!/bin/bash

allow_ips=("211.75.165.175")


function handle_connect {
    ip=$trusted_ip
    echo "Current IP: ${ip}"
    for allow_ip in ${allow_ips[@]}; do
        if [[ $allow_ip == $ip ]]; then

jimlinntu

import cv2
import numpy as np

def main():
    img = cv2.imread("./demo.jpeg", cv2.IMREAD_COLOR)
    sobel_kernel = np.array([[-1, 0, 1], [-2, 0, 2], [-1, 0, 1]], dtype=np.int32)
    # NOTE: filter2D is actually computing correlation so we flip the kernel here
    # See: https://docs.opencv.org/4.5.0/d4/d86/group__imgproc__filter.html#ga27c049795ce870216ddfb366086b5a04
    # for more information
    img_grad_x = cv2.filter2D(img, -1, sobel_kernel)

jimlinntu

import cv2
import numpy as np

def main():
    img = cv2.imread("./demo.jpeg", cv2.IMREAD_COLOR)
    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    edges = cv2.Canny(img, 100, 200)
    cv2.imwrite("edge.jpeg", edges)

if __name__ == "__main__":

jimlinntu

#include <stdio.h>
#include <iostream>
#include <random>
#include <bitset>
#include <assert.h>
#define MAXN 100
// P = R * 2^K + 1, G is its primitive root
#define P 1004535809LL
#define G 3
#define R 479

jimlinntu

while :
do
        echo "Sleep awhile"
        sleep 10m
        # Check if there is python process
        if [[ $(ps -ef | grep -c 'python train.py') == 1 ]]; then
                sudo shutdown now
        fi
done